diff --git a/CODEOWNERS b/CODEOWNERS
index 6db701eaf2..204d2b58bd 100644
--- a/CODEOWNERS
+++ b/CODEOWNERS
@@ -226,7 +226,6 @@ esphome/components/inkplate6/* @jesserockz
 esphome/components/integration/* @OttoWinter
 esphome/components/internal_temperature/* @Mat931
 esphome/components/interval/* @esphome/core
-esphome/components/io_bus/* @clydebarrow
 esphome/components/jsn_sr04t/* @Mafus1
 esphome/components/json/* @OttoWinter
 esphome/components/kamstrup_kmp/* @cfeenstra1024
diff --git a/esphome/components/io_bus/__init__.py b/esphome/components/io_bus/__init__.py
deleted file mode 100644
index 4530649f74..0000000000
--- a/esphome/components/io_bus/__init__.py
+++ /dev/null
@@ -1,8 +0,0 @@
-import esphome.codegen as cg
-
-io_bus_ns = cg.esphome_ns.namespace("io_bus")
-IOBus = io_bus_ns.class_("IOBus")
-
-CODEOWNERS = ["@clydebarrow"]
-# Allow configuration in yaml, for testing
-CONFIG_SCHEMA = {}
diff --git a/esphome/components/io_bus/io_bus.h b/esphome/components/io_bus/io_bus.h
deleted file mode 100644
index e93b96535f..0000000000
--- a/esphome/components/io_bus/io_bus.h
+++ /dev/null
@@ -1,73 +0,0 @@
-#pragma once
-
-#include "esphome/core/log.h"
-#include "esphome/core/gpio.h"
-
-namespace esphome {
-namespace io_bus {
-
-/**
- * A pin to replace those that don't exist.
- */
-class NullPin : public GPIOPin {
- public:
-  void setup() override {}
-
-  void pin_mode(gpio::Flags _) override {}
-
-  bool digital_read() override { return false; }
-
-  void digital_write(bool _) override {}
-
-  std::string dump_summary() const override { return {"Not used"}; }
-
-  gpio::Flags get_flags() const override { return gpio::Flags{}; }
-};
-
-// https://bugs.llvm.org/show_bug.cgi?id=48040
-static GPIOPin *const NULL_PIN = new NullPin();  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
-
-/**
- * A class that can write a byte-oriented bus interface with CS and DC controls, typically used for
- * LCD display controller interfacing.
- */
-class IOBus {
- public:
-  virtual void bus_setup() = 0;
-
-  virtual void bus_teardown() = 0;
-
-  /**
-   * Write a data array. Will not control dc or cs pins.
-   * @param data
-   * @param length
-   */
-  virtual void write_array(const uint8_t *data, size_t length) = 0;
-
-  /**
-   * Write a command followed by data. CS and DC will be controlled automatically.
-   * On return, the DC pin will be in DATA mode.
-   * @param cmd An 8 bit command. Passing -1 will suppress the command phase
-   * @param data The data to write. May be null if length==0
-   * @param length The number of data bytes to write (excludes the command byte)
-   */
-  virtual void write_cmd_data(int cmd, const uint8_t *data, size_t length) = 0;
-
-  /**
-   * Convenience function for parameterless commands.
-   * @param cmd The 8 bit command.
-   */
-  void write_cmd(uint8_t cmd) { this->write_cmd_data(cmd, nullptr, 0); }
-
-  virtual void dump_config(){};
-
-  virtual void begin_transaction() = 0;
-  virtual void end_transaction() = 0;
-
-  void set_dc_pin(GPIOPin *dc_pin) { this->dc_pin_ = dc_pin; }
-
- protected:
-  GPIOPin *dc_pin_{io_bus::NULL_PIN};
-};
-}  // namespace io_bus
-}  // namespace esphome
diff --git a/tests/components/io_bus/common.yaml b/tests/components/io_bus/common.yaml
deleted file mode 100644
index 40fecb7d14..0000000000
--- a/tests/components/io_bus/common.yaml
+++ /dev/null
@@ -1,7 +0,0 @@
-io_bus:
-
-esphome:
-  on_boot:
-    lambda: |-
-      #include "esphome/components/io_bus/io_bus.h"
-
diff --git a/tests/components/io_bus/test.esp32-ard.yaml b/tests/components/io_bus/test.esp32-ard.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.esp32-ard.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml
diff --git a/tests/components/io_bus/test.esp32-c3-ard.yaml b/tests/components/io_bus/test.esp32-c3-ard.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.esp32-c3-ard.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml
diff --git a/tests/components/io_bus/test.esp32-c3-idf.yaml b/tests/components/io_bus/test.esp32-c3-idf.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.esp32-c3-idf.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml
diff --git a/tests/components/io_bus/test.esp32-idf.yaml b/tests/components/io_bus/test.esp32-idf.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.esp32-idf.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml
diff --git a/tests/components/io_bus/test.esp8266-ard.yaml b/tests/components/io_bus/test.esp8266-ard.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.esp8266-ard.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml
diff --git a/tests/components/io_bus/test.host.yaml b/tests/components/io_bus/test.host.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.host.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml
diff --git a/tests/components/io_bus/test.rp2040-ard.yaml b/tests/components/io_bus/test.rp2040-ard.yaml
deleted file mode 100644
index 380ca87628..0000000000
--- a/tests/components/io_bus/test.rp2040-ard.yaml
+++ /dev/null
@@ -1 +0,0 @@
-!include common.yaml